Readers ask: What is the diameter?

How do you find a diameter?

If you know the radius of the circle, double it to get the diameter. The radius is the distance from the center of the circle to its edge. If the radius of the circle is 4 cm, then the diameter of the circle is 4 cm x 2, or 8 cm. If you know the circumference of the circle, divide it by π to get the diameter.

What diameter means?

In geometry, a diameter of a circle is any straight line segment that passes through the centre of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. In more modern usage, the length of a diameter is also called the diameter.

What is Radius and Diameter?

Radius, Diameter and Circumference The Radius is the distance from the center outwards. The Diameter goes straight across the circle, through the center. The Circumference is the distance once around the circle.

What is diameter from circumference?

A circle is a geometric form of which every point on the outside of the circle is the same distance away from the center. The distance around the edge of the circle is called the circumference. The distance from one side of the circle to the other, going through the center of the circle, is the diameter.

What is the diameter of the circle 12 inches?

So if the radius of the circle is 12 “, then the area “A” is (approximately) 3.14 * 12 ^2 or about 3.14 * 144 = 452.16 square inches. If the diameter of the circle is 12 “, then the radius is 6” (half the diameter ), and the area “A” is (approximately) 3.14 * 6^2 or about 113.04 sq.

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How do you find the length of a diameter?

Remember that the diameter is double the length of the radius. We already know that C = πd. If r is the radius of the circle, then d = 2r. So, C = 2πr.

What is the diameter symbol called?

The diameter symbol (⌀) (Unicode character U+2300) is similar to the lowercase letter ø, and in some typefaces it even uses the same glyph, although in many others the glyphs are subtly distinguishable (normally, the diameter symbol uses an exact circle and the letter o is somewhat stylized).

Does diameter mean length?

Diameter is defined as the length of a straight line through the center of a circle. An example of a diameter is the length of a line sliced down the center of a pie.

What is another name for a diameter?

In this page you can discover 21 synonyms, antonyms, idiomatic expressions, and related words for diameter, like: measurement across, width, bore, broadness, caliber, breadth, thickness, diam, circumference, mm and 10mm.

Is a radius half the diameter?

The radius is half the diameter, or. The diameter of this circle is 36 feet, so the radius is feet. The radius is 18 feet. The distance around a circle is called the circumference.

How do you solve for radius and diameter?

Take the circumference of a circle and divide it by Pi. For example, if the circumference is 12.56, you would divide 12.56 by 3.14159 to get 4, which is the diameter of the circle. Use the diameter to find the radius by dividing the diameter by 2. For example, if the diameter is 4, the radius would be 2.

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How do you convert radius to diameter?

The radius is the length from the center of a circle to the edge. Therefore, if you know the radius, multiply it by two to determine the diameter ( diameter = 2 x radius ).

What is the relationship between circumference and diameter?

The circumference of a circle is the distance around the outside of the circle. The diameter is the distance across the circle. It must pass through the center or the circle.

What is the diameter of a 20 inch circle?

What is the circumference of a circle with a diameter of 20 in? How far around is a circle that is 20 inches across? Circumference of a 20 Inch Diameter Circle.

62.832 inches
5′ 2.832″ feet and inches
1.5959 meters
159.59 centimeters

What is the formula for finding the diameter of a circle?

Therefore there can be infinite number of straight line equations. Therefore, 18=r2, and diameter =6√2.

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